JP2018128649A - 電子写真現像剤用磁性芯材、電子写真現像剤用キャリア及び現像剤 - Google Patents

電子写真現像剤用磁性芯材、電子写真現像剤用キャリア及び現像剤 Download PDF

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Publication number
JP2018128649A
JP2018128649A JP2017023596A JP2017023596A JP2018128649A JP 2018128649 A JP2018128649 A JP 2018128649A JP 2017023596 A JP2017023596 A JP 2017023596A JP 2017023596 A JP2017023596 A JP 2017023596A JP 2018128649 A JP2018128649 A JP 2018128649A
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JP
Japan
Prior art keywords
core material
carrier
resin
magnetic core
developer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2017023596A
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English (en)
Japanese (ja)
Inventor
裕樹 澤本
Hiroki Sawamoto
裕樹 澤本
哲也 植村
Tetsuya Uemura
哲也 植村
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Powdertech Co Ltd
Original Assignee
Powdertech Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Powdertech Co Ltd filed Critical Powdertech Co Ltd
Priority to JP2017023596A priority Critical patent/JP2018128649A/ja
Priority to PCT/JP2018/000875 priority patent/WO2018147001A1/ja
Priority to US16/483,709 priority patent/US10969706B2/en
Priority to EP18751416.1A priority patent/EP3582021B1/en
Priority to CN201880010997.5A priority patent/CN110268336B/zh
Publication of JP2018128649A publication Critical patent/JP2018128649A/ja
Pending legal-status Critical Current

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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/10—Developers with toner particles characterised by carrier particles
    • G03G9/113—Developers with toner particles characterised by carrier particles having coatings applied thereto
    • G03G9/1132—Macromolecular components of coatings
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/083—Magnetic toner particles
    • G03G9/0831—Chemical composition of the magnetic components
    • G03G9/0834—Non-magnetic inorganic compounds chemically incorporated in magnetic components
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/083—Magnetic toner particles
    • G03G9/0838—Size of magnetic components
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/10—Developers with toner particles characterised by carrier particles
    • G03G9/107—Developers with toner particles characterised by carrier particles having magnetic components
    • G03G9/1075—Structural characteristics of the carrier particles, e.g. shape or crystallographic structure
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/10—Developers with toner particles characterised by carrier particles
    • G03G9/107—Developers with toner particles characterised by carrier particles having magnetic components
    • G03G9/108—Ferrite carrier, e.g. magnetite
    • G03G9/1085—Ferrite carrier, e.g. magnetite with non-ferrous metal oxide, e.g. MgO-Fe2O3
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/10—Developers with toner particles characterised by carrier particles
    • G03G9/113—Developers with toner particles characterised by carrier particles having coatings applied thereto
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/10—Developers with toner particles characterised by carrier particles
    • G03G9/113—Developers with toner particles characterised by carrier particles having coatings applied thereto
    • G03G9/1132—Macromolecular components of coatings
    • G03G9/1135—Macromolecular components of coatings obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • G03G9/1136—Macromolecular components of coatings obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon atoms
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/34—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
    • H01F1/36—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites in the form of particles

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Soft Magnetic Materials (AREA)
JP2017023596A 2017-02-10 2017-02-10 電子写真現像剤用磁性芯材、電子写真現像剤用キャリア及び現像剤 Pending JP2018128649A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2017023596A JP2018128649A (ja) 2017-02-10 2017-02-10 電子写真現像剤用磁性芯材、電子写真現像剤用キャリア及び現像剤
PCT/JP2018/000875 WO2018147001A1 (ja) 2017-02-10 2018-01-15 電子写真現像剤用磁性芯材、電子写真現像剤用キャリア及び現像剤
US16/483,709 US10969706B2 (en) 2017-02-10 2018-01-15 Magnetic core material for electrophotographic developer, carrier for electrophotographic developer, and developer
EP18751416.1A EP3582021B1 (en) 2017-02-10 2018-01-15 Magnetic core material for electrophotographic developer, carrier for electrophotographic developer, and developer
CN201880010997.5A CN110268336B (zh) 2017-02-10 2018-01-15 电子照相显影剂用磁性芯材、电子照相显影剂用载体及显影剂

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017023596A JP2018128649A (ja) 2017-02-10 2017-02-10 電子写真現像剤用磁性芯材、電子写真現像剤用キャリア及び現像剤

Publications (1)

Publication Number Publication Date
JP2018128649A true JP2018128649A (ja) 2018-08-16

Family

ID=63108185

Family Applications (1)

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JP2017023596A Pending JP2018128649A (ja) 2017-02-10 2017-02-10 電子写真現像剤用磁性芯材、電子写真現像剤用キャリア及び現像剤

Country Status (5)

Country Link
US (1) US10969706B2 (zh)
EP (1) EP3582021B1 (zh)
JP (1) JP2018128649A (zh)
CN (1) CN110268336B (zh)
WO (1) WO2018147001A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020154236A (ja) * 2019-03-22 2020-09-24 パウダーテック株式会社 フェライト粒子、電子写真現像剤用キャリア芯材、電子写真現像剤用キャリア及び電子写真現像剤

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0959025A (ja) * 1995-06-15 1997-03-04 Toda Kogyo Corp 球状を呈した磁性トナー用磁性酸化鉄粒子粉末及びその製造法並びに該磁性酸化鉄粒子粉末を用いた磁性トナー
JP2009234839A (ja) * 2008-03-26 2009-10-15 Powdertech Co Ltd フェライト粒子及びその製造方法
JP2010055014A (ja) * 2008-08-29 2010-03-11 Powdertech Co Ltd 電子写真現像剤用樹脂充填型キャリア及び該樹脂充填型キャリアを用いた電子写真現像剤
JP2011180296A (ja) * 2010-02-26 2011-09-15 Powdertech Co Ltd 電子写真現像剤用フェライトキャリア芯材、フェライトキャリア及び該フェライトキャリアを用いた電子写真現像剤
JP2016224237A (ja) * 2015-05-29 2016-12-28 パウダーテック株式会社 電子写真現像剤用樹脂充填型フェライトキャリア及び該樹脂充填型フェライトキャリアを用いた電子写真現像剤

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09234839A (ja) 1996-02-29 1997-09-09 Toray Ind Inc 積層フィルム
JPH11180296A (ja) 1997-12-22 1999-07-06 Suzuki Motor Corp ホースの保護構造
JP5464639B2 (ja) 2008-03-14 2014-04-09 パウダーテック株式会社 電子写真現像剤用樹脂充填型キャリア及び該樹脂充填型キャリアを用いた電子写真現像剤
JP2009258595A (ja) * 2008-03-18 2009-11-05 Powdertech Co Ltd 電子写真現像剤用樹脂充填型キャリア及び該樹脂充填型キャリアを用いた電子写真現像剤
JP5224062B2 (ja) * 2009-06-16 2013-07-03 戸田工業株式会社 電子写真現像剤用磁性キャリア及びその製造方法、並びに二成分系現像剤
JP5895528B2 (ja) * 2011-12-28 2016-03-30 パウダーテック株式会社 電子写真現像剤用フェライトキャリア芯材、フェライトキャリア及びこれらの製造方法、並びに該フェライトキャリアを用いた電子写真現像剤
JP5850331B2 (ja) 2012-02-29 2016-02-03 パウダーテック株式会社 電子写真現像剤用フェライトキャリア芯材及びフェライトキャリア、並びに該フェライトキャリアを用いた電子写真現像剤
JP5924486B2 (ja) * 2012-05-31 2016-05-25 戸田工業株式会社 電子写真現像剤用磁性キャリアの製造方法及び二成分系現像剤の製造方法
JP6089333B2 (ja) * 2013-03-21 2017-03-08 パウダーテック株式会社 電子写真現像剤用樹脂充填型フェライトキャリア芯材及びフェライトキャリア、並びに該フェライトキャリアを用いた電子写真現像剤
JP6320147B2 (ja) * 2013-05-30 2018-05-09 キヤノン株式会社 磁性キャリア、二成分系現像剤、補給用現像剤、及び画像形成方法
JP2016025288A (ja) 2014-07-24 2016-02-08 Ｄｏｗａホールディングス株式会社 フェライト磁性材
JP6589167B2 (ja) 2015-07-27 2019-10-16 株式会社オリンピア 遊技機
JP2018109703A (ja) * 2017-01-04 2018-07-12 パウダーテック株式会社 電子写真現像剤用磁性芯材、電子写真現像剤用キャリア及び現像剤

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0959025A (ja) * 1995-06-15 1997-03-04 Toda Kogyo Corp 球状を呈した磁性トナー用磁性酸化鉄粒子粉末及びその製造法並びに該磁性酸化鉄粒子粉末を用いた磁性トナー
JP2009234839A (ja) * 2008-03-26 2009-10-15 Powdertech Co Ltd フェライト粒子及びその製造方法
JP2010055014A (ja) * 2008-08-29 2010-03-11 Powdertech Co Ltd 電子写真現像剤用樹脂充填型キャリア及び該樹脂充填型キャリアを用いた電子写真現像剤
JP2011180296A (ja) * 2010-02-26 2011-09-15 Powdertech Co Ltd 電子写真現像剤用フェライトキャリア芯材、フェライトキャリア及び該フェライトキャリアを用いた電子写真現像剤
JP2016224237A (ja) * 2015-05-29 2016-12-28 パウダーテック株式会社 電子写真現像剤用樹脂充填型フェライトキャリア及び該樹脂充填型フェライトキャリアを用いた電子写真現像剤

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020154236A (ja) * 2019-03-22 2020-09-24 パウダーテック株式会社 フェライト粒子、電子写真現像剤用キャリア芯材、電子写真現像剤用キャリア及び電子写真現像剤
JP7335580B2 (ja) 2019-03-22 2023-08-30 パウダーテック株式会社 フェライト粒子、電子写真現像剤用キャリア芯材、電子写真現像剤用キャリア及び電子写真現像剤

Also Published As

Publication number Publication date
EP3582021A1 (en) 2019-12-18
CN110268336A (zh) 2019-09-20
CN110268336B (zh) 2023-07-28
EP3582021A4 (en) 2020-11-18
WO2018147001A1 (ja) 2018-08-16
EP3582021B1 (en) 2023-12-27
US10969706B2 (en) 2021-04-06
US20200033746A1 (en) 2020-01-30

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